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Quantifying tics: Best practices and design considerations for video-based tic coding in research.

Megan DuBois^1,2, Kerry Houlihan^1,2, Brittany Raab^1,2

¹Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA.

Behavior Research Methods

|March 13, 2024

Summary

This summary is machine-generated.

Video-based behavioral coding (VBBC) offers a reliable method for quantifying tics in tic disorders (TD). This paper outlines best practices for VBBC in TD research to improve rigor and reproducibility.

Keywords:

Behavioral coding Quantification Tic disorder Tics Tourette Syndrome Video

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Area of Science:

Neurology
Behavioral Science
Clinical Research Methodology

Background:

Tic disorders (TD), including Tourette Syndrome, involve involuntary movements and vocalizations causing significant lifelong impairment.
Current tic measurement relies on subjective questionnaires, lacking objectivity.
Video-based behavioral coding (VBBC) provides a more objective method for quantifying tics, gaining popularity due to ease of video acquisition.

Purpose of the Study:

To establish standardized "best practices" for VBBC in tic disorder research.
To address limitations in rigor and reproducibility caused by unstandardized VBBC methods.
To guide researchers in implementing reliable and reproducible VBBC for tic disorder assessment.

Main Methods:

The paper details a comprehensive approach to VBBC in TD research, refined over 15+ years.
Key considerations include data acquisition protocols, coding implementation strategies, and interrater reliability (IRR) assessment.
Guidelines cover methods reporting and ethical considerations for VBBC studies.

Main Results:

The proposed "best practices" enhance the reliability and reproducibility of VBBC in TD research.
Standardized methods ensure consistent and objective tic quantification.
The framework facilitates more rigorous scientific investigation of tic disorders.

Conclusions:

Implementing standardized VBBC "best practices" is crucial for advancing tic disorder research.
This approach improves the objectivity and reliability of tic measurement.
Adherence to these guidelines will enhance the quality and impact of VBBC studies in TD.